/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "CSearchDocument.h"

#include "CDocumentField.h"

#include "HarvesterServerLogger.h"

#include "indevicecfg.h"

/*

 * This is exactly the same as in CLucene

 */

const TReal32 CSearchDocument::KDefaultBoost = 1.0f;

EXPORT_C CSearchDocument* CSearchDocument::NewL(RReadStream& aReadStream)

	{

	CSearchDocument* self = CSearchDocument::NewLC(aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CSearchDocument* CSearchDocument::NewL(const TDesC& aDocumentId, 

												const TDesC& aAppClass, 

												const TDesC& aExcerpt,

												const TFilterId aFilterId)

	{

	CSearchDocument* self = CSearchDocument::NewLC(aDocumentId, aAppClass, aExcerpt, aFilterId);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CSearchDocument* CSearchDocument::NewLC(RReadStream& aReadStream)

	{

	CSearchDocument* self = new (ELeave)CSearchDocument();

	CleanupStack::PushL(self);

	self->ConstructL(aReadStream);

	return self;

	}

EXPORT_C CSearchDocument* CSearchDocument::NewLC(const TDesC& aDocumentId, 

												 const TDesC& aAppClass, 

												 const TDesC& aExcerpt,

												 const TFilterId aFilterId)

	{

	CSearchDocument* self = new (ELeave)CSearchDocument();

	CleanupStack::PushL(self);

	self->ConstructL(aDocumentId, aAppClass, aExcerpt, aFilterId);

	return self;

	}

CSearchDocument::CSearchDocument()

:   iFields(),

	iBoost( KDefaultBoost )

	{

	}

EXPORT_C CSearchDocument::~CSearchDocument()

	{

	iFields.ResetAndDestroy();

	iFields.Close();

	}

void CSearchDocument::ConstructL(RReadStream& aReadStream)

	{

	InternalizeL(aReadStream);

	}

void CSearchDocument::ConstructL(const TDesC& aDocumentId, 

								 const TDesC& aAppClass, 

								 const TDesC& aExcerpt,

								 const TFilterId aFilterId)

	{

	// creating unique string identifier:

	AddFieldL( _L( CPIX_DOCUID_FIELD ), aDocumentId, CDocumentField::EStoreYes | CDocumentField::EIndexUnTokenized );

	if ( KNullDesC() != aAppClass )

		{

		AddFieldL( _L( CPIX_APPCLASS_FIELD ), aAppClass, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized );

		}

	if ( KNullDesC() != aExcerpt )

		{

		AddFieldL( _L( CPIX_EXCERPT_FIELD ), aExcerpt, CDocumentField::EStoreYes | CDocumentField::EIndexNo );

		}

	switch (aFilterId)

		{

		case ENoFilter:

			{

			// Nothing to do

			break;

			}

		case EFileParser:

			{

			// TODO: These must match to definitions in cpixdoc.cpp

			_LIT(KFilterFieldName, CPIX_FILTERID_FIELD);

			_LIT(KFilterFieldValue, "FileParser");

			AddFieldL(KFilterFieldName, KFilterFieldValue, CDocumentField::EStoreYes | CDocumentField::EIndexNo );

			break;

			}

		default:

			User::Leave(KErrArgument);

		}

	}

EXPORT_C TInt CSearchDocument::Size() const

	{

	TInt r = sizeof(iFields.Count());

	r += sizeof(TReal); 

	for ( TInt i = 0; i < iFields.Count(); ++i )

		{

		r += iFields[i]->Size();

		}

	return r;

	}

EXPORT_C void CSearchDocument::ExternalizeL(RWriteStream& aWriteStream) const

	{

	aWriteStream.WriteReal32L( iBoost ); 

	aWriteStream.WriteInt32L(iFields.Count());

	for (TInt i=0; i<iFields.Count(); i++)

		{

		iFields[i]->ExternalizeL(aWriteStream);

		}

	}

EXPORT_C void CSearchDocument::InternalizeL(RReadStream& aReadStream)

	{

	iBoost = aReadStream.ReadReal32L(); 

	TInt32 count = aReadStream.ReadInt32L();

	for (TInt i=0; i<count; i++)

		{

		CDocumentField* new_field = CDocumentField::NewLC(aReadStream);

		iFields.AppendL(new_field);

		CleanupStack::Pop(new_field);

		}

	}

EXPORT_C CDocumentField& CSearchDocument::AddFieldL(const TDesC& aName, const TDesC& aStringValue, TInt aConfig)

	{

	RemoveField( aName );

	CDocumentField* new_field = CDocumentField::NewLC(aName, aStringValue, aConfig);

	iFields.AppendL(new_field);

	CleanupStack::Pop(new_field);

	return *new_field;

	}

EXPORT_C TBool CSearchDocument::RemoveField(const TDesC& aName)

	{

	for ( TInt i = 0; i < iFields.Count(); ++i )

		{

		if ( aName == iFields[i]->Name() )

			{

			delete iFields[i];

			iFields.Remove(i);

			return true;  

			}

		}

	return false; 

	}

EXPORT_C void CSearchDocument::AddExcerptL(const TDesC& aExcerpt)

	{

	AddFieldL( _L( CPIX_EXCERPT_FIELD ), aExcerpt, CDocumentField::EStoreYes | CDocumentField::EIndexNo ); 

	}

EXPORT_C const CDocumentField* CSearchDocument::Field(const TDesC& aName) const

	{

	for ( TInt i = 0; i < iFields.Count(); ++i )

		{

		if ( aName == iFields[i]->Name() )

			{

			return iFields[i];

			}

		}

	return NULL;

	}

EXPORT_C TInt CSearchDocument::FieldCount() const

	{

	return iFields.Count();

	}

EXPORT_C const CDocumentField& CSearchDocument::Field( const TInt aIndex ) const

	{

	return *iFields[ aIndex ];

	}

EXPORT_C const TDesC& CSearchDocument::Id() const

	{

	const CDocumentField* field = Field( _L( CPIX_DOCUID_FIELD ) ); 

	if ( field )

		{

		return field->Value(); 

		}

	return KNullDesC();

	}

EXPORT_C const TDesC& CSearchDocument::AppClass() const

	{

	const CDocumentField* field = Field( _L( CPIX_APPCLASS_FIELD ) ); 

	if ( field )

		{

		return field->Value(); 

		}

	return KNullDesC();

	}

EXPORT_C const TDesC& CSearchDocument::Excerpt() const

	{

	const CDocumentField* field = Field( _L( CPIX_EXCERPT_FIELD ) ); 

	if ( field )

		{

		return field->Value(); 

		}

	return KNullDesC();

	}

EXPORT_C void CSearchDocument::SetBoost( TReal32 aBoost )

	{

	iBoost = aBoost; 

	}

EXPORT_C TReal32 CSearchDocument::Boost() const

	{

	return iBoost; 

	}

EXPORT_C void CSearchDocument::AddHLDisplayFieldL(const TDesC& aField)

    {

    // Needs to be tokenised to rewrite the query, but should not be searchable so EAggregateNo.

    AddFieldL( _L( CPIX_HL_EXCERPT_FIELD ), aField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EAggregateNo );

    }